/* edges with a weight example */
digraph {
    /* declare the node & style them */
    "Node 1" [shape=diamond, penwidth=3, style=filled, fillcolor="#FCD975"];
    "Node 2" [style=filled,fillcolor="#9ACEEB" ];
    "Node 3" [shape=diamond, style=filled, fillcolor="#FCD975" ];
    "Node 4" [style=filled, fillcolor="#9ACEEB" ]

    /* declare the edges & style them */
    "Node 1" -> "Node 2" [dir=none, weight=1, penwidth=3] ;
    "Node 1" -> "Node 3" [dir=none, color="#9ACEEB"] ;
    "Node 1" -> "Node 4" [arrowsize=.5, weight=2.]
}
